Supposedly named for its resemblence to a crouching hyena, the Hyanide sounds more to us like a substance that supposedly smells like bitter almonds and is often used as a suicide solution. Regardless, the tracked motorcycle idea is a pretty interesting one to us. Although at this point it only exists as a 1/5-scale model, Popular Science has a 3D-rendered exploded view video of the Blade Runner-esque machine. Currently, designers Oliver Keller and Tillman Schlootz have no plans to put it into production, but we'd love to see a full-size replicant, er, replica.